+++ /dev/null
-------------------------------------------------------------------------------
--- --
--- GNAT COMPILER COMPONENTS --
--- --
--- S I N F O . C N --
--- --
--- S p e c --
--- --
--- $Revision: 1.1.16.1 $
--- --
--- Copyright (C) 1992-2001, Free Software Foundation, Inc. --
--- --
--- GNAT is free software; you can redistribute it and/or modify it under --
--- terms of the GNU General Public License as published by the Free Soft- --
--- ware Foundation; either version 2, or (at your option) any later ver- --
--- sion. GNAT is distributed in the hope that it will be useful, but WITH- --
--- OUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY --
--- or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License --
--- for more details. You should have received a copy of the GNU General --
--- Public License distributed with GNAT; see file COPYING. If not, write --
--- to the Free Software Foundation, 59 Temple Place - Suite 330, Boston, --
--- MA 02111-1307, USA. --
--- --
--- GNAT was originally developed by the GNAT team at New York University. --
--- Extensive contributions were provided by Ada Core Technologies Inc. --
--- --
-------------------------------------------------------------------------------
-
--- This child package of Sinfo contains some routines that permit in place
--- alteration of existing tree nodes by changing the value in the Nkind
--- field. Since Nkind functions logically in a manner similar to a variant
--- record discriminant part, such alterations cannot be permitted in a
--- general manner, but in some specific cases, the fields of related nodes
--- have been deliberately laid out in a manner that permits such alteration.
-
-package Sinfo.CN is
-
- procedure Change_Identifier_To_Defining_Identifier (N : in out Node_Id);
- -- N must refer to a node of type N_Identifier. This node is modified to
- -- be of type N_Defining_Identifier. The scanner always returns identifiers
- -- as N_Identifier. The parser then uses this routine to change the node
- -- to be a defining identifier where the context demands it. This routine
- -- also allocates the necessary extension node. Note that this procedure
- -- may (but is not required to) change the Id of the node in question.
-
- procedure Change_Character_Literal_To_Defining_Character_Literal
- (N : in out Node_Id);
- -- Similar processing for a character literal
-
- procedure Change_Operator_Symbol_To_Defining_Operator_Symbol
- (N : in out Node_Id);
- -- Similar processing for an operator symbol
-
- procedure Change_Conversion_To_Unchecked (N : Node_Id);
- -- Change checked conversion node to unchecked conversion node, clearing
- -- irrelevant check flags (other fields in the two nodes are identical)
-
- procedure Change_Operator_Symbol_To_String_Literal (N : Node_Id);
- -- The scanner returns any string that looks like an operator symbol as
- -- a N_Operator_Symbol node. The parser then uses this procedure to change
- -- the node to a normal N_String_Literal node if the context is not one
- -- in which an operator symbol is required. There are some cases where the
- -- parser cannot tell, in which case this transformation happens later on.
-
- procedure Change_Selected_Component_To_Expanded_Name (N : Node_Id);
- -- The parser always generates Selected_Component nodes. The semantics
- -- modifies these to Expanded_Name nodes where appropriate. Note that
- -- on return the Chars field is set to a copy of the contents of the
- -- Chars field of the Selector_Name field.
-
-end Sinfo.CN;
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